{"id":3064,"date":"2025-09-25T00:21:41","date_gmt":"2025-09-25T00:21:41","guid":{"rendered":"https:\/\/nbaem.com\/?p=3064"},"modified":"2025-09-25T00:44:54","modified_gmt":"2025-09-25T00:44:54","slug":"what-are-the-grades-of-smco-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-are-the-grades-of-smco-magnets\/","title":{"rendered":"C\u00e1c lo\u1ea1i nam ch\u00e2m SmCo"},"content":{"rendered":"<h2>Magnet SmCo l\u00e0 g\u00ec<\/h2>\n<div id=\"attachment_591\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-591\" class=\"size-medium wp-image-591\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/SmCo-magnet-\u603b\u56fe-2-300x195.png\" alt=\"nam ch\u00e2m SmCo\" width=\"300\" height=\"195\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/SmCo-magnet-\u603b\u56fe-2-200x130.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/SmCo-magnet-\u603b\u56fe-2-300x195.png 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/SmCo-magnet-\u603b\u56fe-2.png 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-591\" class=\"wp-caption-text\">nam ch\u00e2m SmCo<\/p><\/div>\n<p>Nam ch\u00e2m samarium-cobalt (SmCo) l\u00e0 m\u1ed9t lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu hi\u1ebfm c\u00f3 n\u1ed5i b\u1eadt v\u1edbi s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t xu\u1ea5t s\u1eafc. \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ee3p kim c\u1ee7a samarium, cobalt v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c, nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb v\u00e0 \u0103n m\u00f2n cao, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>\n<p>C\u00f3 hai lo\u1ea1i ch\u00ednh c\u1ee7a nam ch\u00e2m SmCo: SmCo 1:5 v\u00e0 SmCo 2:17. Nam ch\u00e2m SmCo 1:5, th\u01b0\u1eddng g\u1ecdi l\u00e0 SmCo5, c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 cung c\u1ea5p \u0111\u1eb7c t\u00ednh t\u1eeb m\u1ea1nh m\u1ebd c\u00f9ng kh\u1ea3 n\u0103ng ch\u1ed1ng oxi h\u00f3a xu\u1ea5t s\u1eafc. Nam ch\u00e2m SmCo 2:17, hay Sm2Co17, c\u00f3 c\u1ea5u tr\u00fac vi m\u00f4 ph\u1ee9c t\u1ea1p h\u01a1n, mang l\u1ea1i n\u0103ng l\u01b0\u1ee3ng t\u1eeb cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n.<\/p>\n<p>C\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb quan tr\u1ecdng x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m SmCo bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>S\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng (Br):<\/strong> \u0110o l\u01b0\u1eddng \u0111\u1ed9 t\u1eeb h\u00f3a ho\u1eb7c m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/li>\n<li><strong>Kh\u00e1ng t\u1eeb (Hcj):<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (BHmax):<\/strong> Ch\u1ec9 s\u1ed1 t\u1ed5ng th\u1ec3 v\u1ec1 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng v\u00e0 s\u1ee9c m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/li>\n<li><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9:<\/strong> Kh\u1ea3 n\u0103ng duy tr\u00ec \u0111\u1eb7c t\u00ednh t\u1eeb trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<\/ul>\n<p>C\u00f9ng nhau, nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y khi\u1ebfn nam ch\u00e2m SmCo tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean khi c\u1ea7n nam ch\u00e2m m\u1ea1nh, \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<h2>T\u1ea1i sao c\u00e1c c\u1ea5p \u0111\u1ed9 nam ch\u00e2m SmCo l\u1ea1i quan tr\u1ecdng<\/h2>\n<p>C\u00e1c c\u1ea5p \u0111\u1ed9 nam ch\u00e2m SmCo v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 c\u00e1ch ph\u00e2n lo\u1ea1i c\u00e1c nam ch\u00e2m n\u00e0y d\u1ef1a tr\u00ean s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng, kh\u1ea3 n\u0103ng kh\u00e1ng t\u1eeb (ch\u1ed1ng m\u1ea5t t\u1eeb) v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t. M\u1ed7i c\u1ea5p \u0111\u1ed9 ph\u1ea3n \u00e1nh \u0111\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, \u0111\u1eb7c bi\u1ec7t l\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<p>L\u1ef1a ch\u1ecdn c\u1ea5p \u0111\u1ed9 s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m. C\u00e1c c\u1ea5p \u0111\u1ed9 cao th\u01b0\u1eddng cung c\u1ea5p l\u1ef1c t\u1eeb m\u1ea1nh h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t cao h\u01a1n, nh\u01b0ng \u0111i k\u00e8m v\u1edbi gi\u00e1 th\u00e0nh cao h\u01a1n. C\u00e1c c\u1ea5p \u0111\u1ed9 th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 m\u1ea5t s\u1ee9c m\u1ea1nh ho\u1eb7c tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2>C\u00e1c c\u1ea5p \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a nam ch\u00e2m SmCo \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch<\/h2>\n<div id=\"attachment_3066\" style=\"width: 438px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3066\" class=\"wp-image-3066\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-300x232.jpg\" alt=\"C\u00e1c c\u1ea5p \u0111\u1ed9 ch\u00ednh c\u1ee7a nam ch\u00e2m SmCo\" width=\"428\" height=\"331\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-15x12.jpg 15w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-200x155.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-300x232.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-400x310.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-600x465.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-768x595.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-800x620.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-1024x793.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets-1200x930.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/SmCo-Magnets.jpg 1350w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><p id=\"caption-attachment-3066\" class=\"wp-caption-text\">C\u00e1c c\u1ea5p \u0111\u1ed9 ch\u00ednh c\u1ee7a nam ch\u00e2m SmCo<\/p><\/div>\n<p>Nam ch\u00e2m SmCo ch\u1ee7 y\u1ebfu g\u1ed3m hai lo\u1ea1i: SmCo 1:5 (SmCo5) v\u00e0 SmCo 2:17 (Sm2Co17). M\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c c\u1ea5p \u0111\u1ed9 c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng, kh\u1ea3 n\u0103ng kh\u00e1ng t\u1eeb, s\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a v\u00e0 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h3>Nam ch\u00e2m SmCo 1:5 (SmCo5)<\/h3>\n<p>\u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n xu\u1ea5t s\u1eafc. C\u00e1c c\u1ea5p \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>H\u1ea1ng 22<\/strong>:\n<ul>\n<li>Br (S\u1ef1 c\u1ea3m \u1ee9ng d\u01b0): ~9.4 kG<\/li>\n<li>Hcj (Kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb): ~12 kOe<\/li>\n<li>(BH)max (S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a): ~16 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ed1i \u0111a: ~250\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ea1ng 24<\/strong>:\n<ul>\n<li>Br: ~9,5 kG<\/li>\n<li>Hcj: ~13 kOe<\/li>\n<li>(BH)max: ~18 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ed1i \u0111a: ~250\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ea1ng 26<\/strong>:\n<ul>\n<li>Br: ~9,6 kG<\/li>\n<li>Hcj: ~15 kOe<\/li>\n<li>(BH)max: ~20 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ed1i \u0111a: ~275\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ea1ng 28<\/strong> v\u00e0 <strong>H\u1ea1ng 30<\/strong> cung c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb cao h\u01a1n m\u1ed9t ch\u00fat, v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh t\u1ed1i \u0111a l\u00ean \u0111\u1ebfn 280\u00b0C.<\/li>\n<\/ul>\n<h3>Nam ch\u00e2m SmCo 2:17 (Sm2Co17)<\/h3>\n<p>Ch\u00fang c\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u1eeb cao h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0ng c\u00f3 th\u1ec3 \u00edt ch\u1ed1ng \u0103n m\u00f2n h\u01a1n. C\u00e1c h\u1ea1ng ph\u1ed5 bi\u1ebfn l\u00e0:<\/p>\n<ul>\n<li><strong>H\u1ea1ng 28<\/strong>:\n<ul>\n<li>Br: ~10,0 kG<\/li>\n<li>Hcj: ~18 kOe<\/li>\n<li>(BH)max: ~26 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a: 300\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ea1ng 30<\/strong>:\n<ul>\n<li>Br: ~10,2 kG<\/li>\n<li>Hcj: ~22 kOe<\/li>\n<li>(BH)max: ~28 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a: 310\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u1ea5p 32<\/strong>:\n<ul>\n<li>Br: ~10,5 kG<\/li>\n<li>Hcj: ~25 kOe<\/li>\n<li>(BH)max: ~30 MGOe<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a: 320\u00b0C<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u00e1c c\u1ea5p 34 v\u00e0 36<\/strong> \u0111\u1ea9y gi\u1edbi h\u1ea1n n\u00e0y xa h\u01a1n, v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a \u0111\u1ea1t 350\u00b0C v\u00e0 \u0111\u1ed9 c\u01b0\u1ee1ng t\u1eeb cao h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi cao.<\/li>\n<\/ul>\n<h3>B\u1ea3ng so s\u00e1nh c\u00e1c c\u1ea5p \u0111\u1ed9 c\u1ee7a SmCo<\/h3>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9<\/th>\n<th>Lo\u1ea1i<\/th>\n<th>Br (kG)<\/th>\n<th>Hcj (kOe)<\/th>\n<th>(BH)max (MGOe)<\/th>\n<th>Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a (\u00b0C)<\/th>\n<th>Ch\u1ec9 s\u1ed1 gi\u00e1*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>22<\/td>\n<td>SmCo 1:5<\/td>\n<td>9.4<\/td>\n<td>12<\/td>\n<td>16<\/td>\n<td>250<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>24<\/td>\n<td>SmCo 1:5<\/td>\n<td>9.5<\/td>\n<td>13<\/td>\n<td>18<\/td>\n<td>250<\/td>\n<td>Th\u1ea5p-Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>26<\/td>\n<td>SmCo 1:5<\/td>\n<td>9.6<\/td>\n<td>15<\/td>\n<td>20<\/td>\n<td>275<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>28<\/td>\n<td>SmCo 1:5<\/td>\n<td>9.8<\/td>\n<td>16<\/td>\n<td>21<\/td>\n<td>280<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>SmCo 1:5<\/td>\n<td>10.0<\/td>\n<td>18<\/td>\n<td>22<\/td>\n<td>280<\/td>\n<td>Trung b\u00ecnh-Cao<\/td>\n<\/tr>\n<tr>\n<td>28<\/td>\n<td>SmCo 2:17<\/td>\n<td>10.0<\/td>\n<td>18<\/td>\n<td>26<\/td>\n<td>300<\/td>\n<td>Trung b\u00ecnh-Cao<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>SmCo 2:17<\/td>\n<td>10.2<\/td>\n<td>22<\/td>\n<td>28<\/td>\n<td>310<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>32<\/td>\n<td>SmCo 2:17<\/td>\n<td>10.5<\/td>\n<td>25<\/td>\n<td>30<\/td>\n<td>320<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>34<\/td>\n<td>SmCo 2:17<\/td>\n<td>10.7<\/td>\n<td>28<\/td>\n<td>32<\/td>\n<td>340<\/td>\n<td>R\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>36<\/td>\n<td>SmCo 2:17<\/td>\n<td>11.0<\/td>\n<td>30<\/td>\n<td>34<\/td>\n<td>350<\/td>\n<td>R\u1ea5t cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Ch\u1ec9 s\u1ed1 gi\u00e1 ph\u1ea3n \u00e1nh chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i d\u1ef1a tr\u00ean hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh v\u00e0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u.<\/p>\n<p>Hi\u1ec3u c\u00e1c lo\u1ea1i c\u1ea5p \u0111\u1ed9 n\u00e0y gi\u00fap l\u1ef1a ch\u1ecdn nam ch\u00e2m samarium-cobalt ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n, c\u00e2n b\u1eb1ng gi\u1eefa s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 chi ph\u00ed.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m SmCo v\u00e0 so s\u00e1nh, h\u00e3y xem h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/two-different-smco-magnets-smco5-sm2co17\/\" target=\"_blank\" rel=\"noopener\">hai lo\u1ea1i nam ch\u00e2m SmCo kh\u00e1c nhau l\u00e0 SmCo5 &amp; Sm2Co17<\/a>.<\/strong><\/span><\/p>\n<h2>C\u00e1ch ch\u1ecdn c\u1ea5p \u0111\u1ed9 nam ch\u00e2m SmCo ph\u00f9 h\u1ee3p<\/h2>\n<p>L\u1ef1a ch\u1ecdn <strong>C\u1ea5p \u0111\u1ed9 nam ch\u00e2m SmCo<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n xem x\u00e9t:<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n xem x\u00e9t<\/h3>\n<ul>\n<li>\n<h3>Nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh<\/h3>\n<p>Ch\u1ecdn c\u1ea5p \u0111\u1ed9 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t m\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i. M\u1ed9t s\u1ed1 c\u1ea5p \u0111\u1ed9 SmCo ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean 300\u00b0C, trong khi nh\u1eefng lo\u1ea1i kh\u00e1c ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/li>\n<li>\n<h3>Y\u00eau c\u1ea7u v\u1ec1 tr\u01b0\u1eddng t\u1eeb<\/h3>\n<p>Xem x\u00e9t s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng (Br) v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb (Hcj) c\u1ea7n thi\u1ebft. C\u00e1c c\u1ea5p \u0111\u1ed9 cao h\u01a1n cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng m\u1ea1nh h\u01a1n nh\u01b0ng th\u01b0\u1eddng c\u00f3 gi\u00e1 cao h\u01a1n.<\/li>\n<li>\n<h3>S\u1ee9c m\u1ea1nh c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 b\u1ec1n<\/h3>\n<p>Xem x\u00e9t li\u1ec7u nam ch\u00e2m c\u1ee7a b\u1ea1n c\u00f3 ph\u1ea3i ch\u1ecbu \u00e1p l\u1ef1c v\u1eadt l\u00fd ho\u1eb7c rung \u0111\u1ed9ng kh\u00f4ng. M\u1ed9t s\u1ed1 c\u1ea5p \u0111\u1ed9 d\u1ec5 v\u1ee1 h\u01a1n ho\u1eb7c \u00edt b\u1ec1n h\u01a1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc.<\/li>\n<li>\n<h3>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/h3>\n<p>Nam ch\u00e2m SmCo ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng m\u00f4i tr\u01b0\u1eddng c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t c\u00f3 th\u1ec3 y\u00eau c\u1ea7u l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u00e1c c\u1ea5p \u0111\u1ed9 c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 ho\u00e1 h\u1ecdc t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h3>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i c\u1ea5p \u0111\u1ed9<\/th>\n<th>\u0110\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh<\/th>\n<th>Nhi\u1ec7t \u0111\u1ed9 T\u1ed1i \u0111a<\/th>\n<th>M\u1ee9c \u0111\u1ed9 chi ph\u00ed<\/th>\n<th>Ph\u00f9 h\u1ee3p cho<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SmCo 1:5<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>L\u00ean \u0111\u1ebfn 300\u00b0C<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>S\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p chung<\/td>\n<\/tr>\n<tr>\n<td>SmCo 2:17<\/td>\n<td>Cao<\/td>\n<td>L\u00ean \u0111\u1ebfn 350\u00b0C+<\/td>\n<td>Cao h\u01a1n<\/td>\n<td>Hi\u1ec7u su\u1ea5t cao &amp; h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u00e1c cao h\u01a1n mang l\u1ea1i t\u1eeb t\u00ednh m\u1ea1nh h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n nh\u01b0ng s\u1ebd t\u1ed1n k\u00e9m h\u01a1n. C\u00e2n b\u1eb1ng nhu c\u1ea7u hi\u1ec7u su\u1ea5t v\u1edbi ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n<h3>C\u00e1c T\u00ecnh Hu\u1ed1ng \u1ee8ng D\u1ee5ng \u0110i\u1ec3n H\u00ecnh<\/h3>\n<ul>\n<li>\n<h3>SmCo M\u00e1c Th\u1ea5p (22, 24)<\/h3>\n<p>Tuy\u1ec7t v\u1eddi cho c\u1ea3m bi\u1ebfn, \u0111\u1ed9ng c\u01a1 nh\u1ecf v\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u1ee9ng su\u1ea5t v\u1eeba ph\u1ea3i.<\/li>\n<li>\n<h3>SmCo M\u00e1c Trung B\u00ecnh (26, 28, 30)<\/h3>\n<p>L\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4, linh ki\u1ec7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf, n\u01a1i \u0111\u1ed9 tin c\u1eady v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao quan tr\u1ecdng.<\/li>\n<li>\n<h3>SmCo M\u00e1c Cao (32, 34, 36)<\/h3>\n<p>T\u1ed1t nh\u1ea5t cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 tuabin, h\u1ec7 th\u1ed1ng v\u1ec7 tinh ho\u1eb7c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p nhu c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u1edbi \u0111\u00fang m\u00e1c, b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u m\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m qu\u00e1 m\u1ee9c.<\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c l\u1ef1a ch\u1ecdn nam ch\u00e2m SmCo c\u1ee7a NBAEMs<\/h2>\n<p>Khi b\u1ea1n ch\u1ecdn nam ch\u00e2m SmCo c\u1ee7a NBAEMs, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng cao. NBAEMs s\u1eed d\u1ee5ng ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi nam ch\u00e2m \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1eeb t\u00ednh. S\u1ef1 t\u1eadp trung v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng nam ch\u00e2m \u0111\u00e1ng tin c\u1eady, nh\u1ea5t qu\u00e1n, ph\u00f9 h\u1ee3p cho nh\u1eefng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u1eaft khe.<\/p>\n<p>NBAEMs c\u0169ng cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Cho d\u00f9 b\u1ea1n c\u1ea7n k\u00edch th\u01b0\u1edbc, m\u00e1c ho\u1eb7c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh c\u1ee5 th\u1ec3, nh\u00f3m c\u1ee7a h\u1ecd s\u1ebd l\u00e0m vi\u1ec7c v\u1edbi b\u1ea1n \u0111\u1ec3 cung c\u1ea5p ch\u00ednh x\u00e1c nh\u1eefng g\u00ec ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n<p>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt l\u00e0 m\u1ed9t \u0111i\u1ec3m m\u1ea1nh kh\u00e1c. NBAEMs cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chuy\u00ean m\u00f4n, gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang m\u00e1c nam ch\u00e2m SmCo v\u00e0 kh\u1eafc ph\u1ee5c m\u1ecdi th\u1eafc m\u1eafc v\u1ec1 hi\u1ec7u su\u1ea5t. Ch\u1ee9ng nh\u1eadn s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd h\u1ed7 tr\u1ee3 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u00e2n th\u1ee7, mang l\u1ea1i cho b\u1ea1n s\u1ef1 an t\u00e2m h\u01a1n.<\/p>\n<p>V\u1edbi chu\u1ed7i cung \u1ee9ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u1ed1t v\u00e0 kinh nghi\u1ec7m s\u00e2u r\u1ed9ng tr\u00ean th\u1ecb tr\u01b0\u1eddng Trung Qu\u1ed1c, NBAEMs \u0111\u1ea3m b\u1ea3o \u0111\u1eb7t h\u00e0ng su\u00f4n s\u1ebb, giao h\u00e0ng k\u1ecbp th\u1eddi v\u00e0 gi\u00e1 c\u1ea3 c\u1ea1nh tranh. \u0110\u1ed9 tin c\u1eady n\u00e0y l\u00e0 ch\u00eca kh\u00f3a cho kh\u00e1ch h\u00e0ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111ang t\u00ecm ki\u1ebfm nam ch\u00e2m SmCo nh\u1ea5t qu\u00e1n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1c m\u00e1c nam ch\u00e2m SmCo<\/h2>\n<h3>\u0110i\u1ec1u g\u00ec quy\u1ebft \u0111\u1ecbnh m\u00e1c c\u1ee7a nam ch\u00e2m SmCo?<\/h3>\n<p>M\u00e1c ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 b\u1ec1n t\u1eeb t\u00ednh c\u1ee7a nam ch\u00e2m (Br), l\u1ef1c kh\u00e1ng t\u1eeb (kh\u1ea3 n\u0103ng ch\u1ed1ng kh\u1eed t\u1eeb, Hcj) v\u00e0 t\u00edch n\u0103ng l\u01b0\u1ee3ng (BHmax). C\u00e1c thu\u1ed9c t\u00ednh ch\u00ednh n\u00e0y kh\u00e1c nhau d\u1ef1a tr\u00ean th\u00e0nh ph\u1ea7n v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a nam ch\u00e2m, x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a nam ch\u00e2m.<\/p>\n<h3>T\u00f4i c\u00f3 th\u1ec3 tr\u1ed9n c\u00e1c m\u00e1c kh\u00e1c nhau trong m\u1ed9t \u1ee9ng d\u1ee5ng kh\u00f4ng?<\/h3>\n<p>Vi\u1ec7c tr\u1ed9n c\u00e1c m\u00e1c l\u00e0 c\u00f3 th\u1ec3 nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00fd t\u01b0\u1edfng. C\u00e1c m\u00e1c kh\u00e1c nhau c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1eeb t\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t kh\u00e1c nhau, c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7u su\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c l\u00e3o h\u00f3a nam ch\u00e2m theo th\u1eddi gian. T\u1ed1t nh\u1ea5t l\u00e0 ch\u1ecdn m\u1ed9t m\u00e1c duy nh\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3>Nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u00e1c kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Nam ch\u00e2m SmCo cao c\u1ea5p h\u01a1n th\u01b0\u1eddng x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t h\u01a1n m\u00e0 kh\u00f4ng m\u1ea5t \u0111i s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng. V\u00ed d\u1ee5, c\u00e1c lo\u1ea1i SmCo 2:17 cung c\u1ea5p nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a cao h\u01a1n so v\u1edbi lo\u1ea1i 1:5. S\u1eed d\u1ee5ng lo\u1ea1i c\u1ea5p th\u1ea5p h\u01a1n v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t t\u1eeb t\u00ednh v\u0129nh vi\u1ec5n.<\/p>\n<h3>Gi\u00e1 c\u1ea3 b\u1ecb \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o b\u1edfi c\u00e1c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau?<\/h3>\n<p>Gi\u00e1 c\u1ea3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c c\u1ea5p cao h\u01a1n v\u1edbi \u0111\u1eb7c t\u00ednh t\u1eeb m\u1ea1nh h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n c\u00f3 gi\u00e1 cao h\u01a1n do h\u1ee3p kim v\u00e0 quy tr\u00ecnh ch\u1ebf t\u1ea1o ti\u00ean ti\u1ebfn. Vi\u1ec7c c\u00e2n b\u1eb1ng gi\u1eefa nhu c\u1ea7u hi\u1ec7u su\u1ea5t v\u00e0 ng\u00e2n s\u00e1ch gi\u00fap b\u1ea1n ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1c lo\u1ea1i c\u1ea5p \u0111\u1ed9 c\u1ee7a nam ch\u00e2m SmCo bao g\u1ed3m SmCo 1 5 v\u00e0 2 17 v\u1edbi chi ti\u1ebft v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>","protected":false},"author":1,"featured_media":593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/SmCo-magnet-\u603b\u56fe-3.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3064"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3064\/revisions"}],"predecessor-version":[{"id":3067,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3064\/revisions\/3067"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/593"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}